APA (7 वां संस्करण) प्रशस्ति पत्र

(1999). Precautions urged against crime syndicates. Manila Bulletin.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"Precautions Urged Against Crime Syndicates." Manila Bulletin 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"Precautions Urged Against Crime Syndicates." Manila Bulletin, 1999.